/**
* Unpacks the recipes extra from the intent that started this activity and returns an
* ObservableArrayList containing the same recipes.
*
* @return a list of recipes
*/
private ObservableArrayList<Recipe> unpackRecipes() {
final Parcelable[] parcelables = getIntent().getParcelableArrayExtra(EXTRA_RECIPES);
Objects.requireNonNull(
parcelables, "MealRecipeAddActivity must be started with a recipes extra");
final ObservableArrayList<Recipe> recipes = new ObservableArrayList<>();
recipes.ensureCapacity(parcelables.length);
for (Parcelable parcelable : parcelables) {
recipes.add((Recipe) parcelable);
}
return recipes;
}
/**
* Unpacks the recipes existing in the meal from the intent that started this activity and returns
* a List of those recipes
*
* @return list of recipes
*/
private List<Recipe> existRecipes() {
final Parcelable[] parcelables =
getIntent().getParcelableArrayExtra(MealRecipeAddActivity.EXIST_RECIPES);
Objects.requireNonNull(
parcelables, "MealRecipeAddActivity must be started with a exist recipe list");
final ObservableArrayList<Recipe> exist = new ObservableArrayList<>();
exist.ensureCapacity(parcelables.length);
for (Parcelable parcelable : parcelables) {
exist.add((Recipe) parcelable);
}
return exist;
}